# Moeller Z1-57 Thermal Overload Relay 40-57A – Motor Protection

The **Moeller Z1 Z1-57 Thermal Overload Relay** offers superior motor protection, guarding against overloading in demanding industrial environments. This relay ensures your systems operate safely and efficiently, preventing costly downtime and equipment damage.

Designed to meet IEC/EN 60947 and VDE 0660 standards, the **Z1 Z1-57** handles current ranging from 40 to 57A and voltages up to 6000V. Its auxiliary contacts (1 NO + 1 NC) provide versatile control options, integrating seamlessly into your existing **automation** and **control systems**. Built for reliability and accuracy, it's a crucial component for maintaining operational integrity.

**Key Features:**

-   **Precise Overload Protection:** Protects motors with accurate trip settings.
-   **Wide Current Range:** Adjustable from 40 to 57A to suit various applications.
-   **Robust Design:** Built to withstand demanding industrial conditions.
-   **Compliance:** Meets IEC/EN 60947 and VDE 0660 standards.
-   **Easy Installation:** Designed for straightforward setup and integration.

**Specifications:**

-   Current Range: 40-57 A
-   Maximum Voltage: 6000 V
-   Auxiliary Contacts: 1 NO + 1 NC
-   Trip Rating: 125%
-   Dial Setting: 75°C

Trust in the **Moeller Z1 Z1-57 Thermal Overload Relay** for reliable and consistent performance in your **industrial automation systems**. Ensure the safety and efficiency of your equipment today.

Also our company name is Ram Automations and also you can contact us on email info@ramautomations.com

## Details

- **Price:** 999.0 USD
- **Vendor:** Moeller
- **Type:** Industrial Automation > Motor Protection > Thermal Overload Relays
- **Tags:** industrial-automation, moeller, motor-protection, overload-protection, thermal-overload-relay, z1-57

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- Moeller Z1-57 Thermal Overload Relay 40-57A – Motor Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/thermal-overload-relay-moeller-z1-57)
> Updated: 2026-09-19